diff options
Diffstat (limited to 'elf')
| -rw-r--r-- | elf/dl-load.c | 2 | ||||
| -rw-r--r-- | elf/dlsym.c | 18 |
2 files changed, 16 insertions, 4 deletions
diff --git a/elf/dl-load.c b/elf/dl-load.c index f01bdad..c19ebe7 100644 --- a/elf/dl-load.c +++ b/elf/dl-load.c @@ -70,7 +70,7 @@ struct link_map * _dl_map_object_from_fd (const char *name, int fd, char *realname, struct link_map *loader, int l_type) { - struct link_map *l; + struct link_map *l = NULL; void *file_mapping = NULL; size_t mapping_size = 0; diff --git a/elf/dlsym.c b/elf/dlsym.c index 7677f27..256eba8 100644 --- a/elf/dlsym.c +++ b/elf/dlsym.c @@ -26,13 +26,25 @@ Cambridge, MA 02139, USA. */ void * dlsym (void *handle, const char *name) { - struct link_map *map = handle; ElfW(Addr) loadbase; const ElfW(Sym) *ref = NULL; void doit (void) { - struct link_map *scope[2] = { map, NULL }; - loadbase = _dl_lookup_symbol (name, &ref, scope, map->l_name, 0, 0); + struct link_map *map = handle, **scope, *mapscope[2] = { map, NULL }; + const char *owner; + + if (map) + { + /* Search the scope of the given object. */ + scope = mapscope; + owner = map->l_name; + } + else + { + scope = &(_dl_global_scope ?: _dl_default_scope)[2]; + owner = NULL; + } + loadbase = _dl_lookup_symbol (name, &ref, scope, owner, 0, 0); } return _dlerror_run (doit) ? NULL : (void *) (loadbase + ref->st_value); |